Messier Objects: Guide to the Bright Galaxies, Nebulae and Clusters Listed in the Messier Catalogue

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Messier 61 (M61) is a barred spiral galaxy located in the southern constellation Virgo. M61 can be found in the southern portion of the Virgo Cluster. It occupies an area of 6 arc minutes, corresponding to a spatial diameter of about 100,000 light years. The galaxy has an apparent magnitude of 10.18 and lies at … [Read more…]